Mathematics, 24.06.2021 20:40 ayeheavymetal

The national average for the number of students per teacher for all U. S. public schools in 15.9. A random sample of 12 school districts from a moderately populated area showed that the mean number of students per teacher was 19.2 with a variance of 4.41. Estimate the true mean number of students per teacher with 95% confidence. How does your estimate compare with the national average

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The national average for the number of students per teacher for all U. S. public schools in 15.9. A...

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